The FHX35X/002 Chip and FHX35LG/002 packaged devices are HEMT (High Electron Mobility Transistor) ones suitable for use as the front end of an optical receiver in high speed lightwave communication systems. This HEMT combines high transconductance, low gate capacitance and low leakage current; all important factors in achieving low noise preamplification. Fujitsu's stringent Quality Assurance criteria and detailed Test Procedures assure Highest Reliabiltity Performance.